standard box respirator
1Chemical weapons in World War I — A poison gas attack using gas cylinders in World War I. The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare… …
2Chemical warfare — For other uses, see Chemical warfare (disambiguation). This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …
3Frogman — This article is about a type of military diver. For other uses, see Frogman (disambiguation). A French frogman with bag on chest rebreather with 2 breathing tubes (model Oxygers , 1957) …
4Timeline of diving technology — This is a timeline of underwater technology. The entries marked ## are about decompression tables.[1] Contents 1 Pre industrial 2 19th century 2.1 Rebreathers appear …
5Air filter — An air filter is a device which removes solid particulates such as dust, pollen, mold, and bacteria from air. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines, such as… …
6Nerve agent — This article is about the chemical. For the band, see The Nerve Agents. This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …
7Mahathir bin Mohamad — Infobox Prime Minister honorific prefix = Yang Amat Berbahagia Tun Dr. name = Mahathir bin Mohamad order = 4th Prime Minister of Malaysia term start = 16 July 1981 term end = 31 October 2003 monarch = Sultan Ahmad Shah (1979 1984)Sultan Iskandar… …
8List of atheists (miscellaneous) — Business* John Baskerville (1706 ndash;1775): English typesetter, printing innovator and typefounder, designer of the typeface that bears his name. [Baskerville left directions that his body be buried in a Conical Building in my own premises… …
